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44WR500LFT7

产品描述trimmer 500 ohm 0.25w smd
产品类别无源元件   
文件大小284KB,共3页
制造商TT Electronics plc
官网地址http://www.ttelectronics.com/
标准  
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44WR500LFT7概述

trimmer 500 ohm 0.25w smd

44WR500LFT7规格参数

参数名称属性值
Datasheets
Model 44
Product Photos
44 SERIES
RoHS Informati
h//www.bitechnologies.com/pdfs/CofC_generic.pdf
Standard Package250
CategoryPotentiometers, Variable Resistors
FamilyTrimmer Potentiometers
系列
Packaging
Tape & Reel (TR)
Resistance (Ohms)500
Power (Watts)0.25W, 1/4W
容差
Tolerance
±10%
Temperature Coefficie±100ppm/°C
Number of Turns9
Adjustment TypeTop Adjustme
Resistive MaterialCerme
Mounting TypeSurface Mou
端接类型
Termination Style
J Lead
Size / DimensiRectangular - 0.190" x 0.138" Face x 0.209" H (4.83mm x 3.51mm x 5.31mm)
Dynamic Catalog44 Series
Other Names44WR500LF7987-1577-2987-1600-2987-1600-2-ND

文档预览

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Model 44
4mm Square Multiturn
Surface Mount
Cermet Trimming Potentiometer
FEATURES AND BENEFITS
• Space saving SMD package for the most compact board designs
• Sealed to withstand aggressive water wash
• Long life - set and forget construction
• BI quality and reliability
• Available in top and side adjustment versions and J-Hook or gull wing termination
ELECTRICAL
Standard Resistance Range
Standard Resistance Tolerance
Input Voltage
Slider Current
Power Rating
End Resistance
Actual Electrical Travel
Dielectric Strength
Insulation Resistance
Resolution
Contact Resistance Variation
10 Ohms to 2 Megohms
±10% (<100 Ohms = ±20%)
300 Vdc Max. or rms not to exceed power rating
100 mA Max. or within rated power, whichever is less
0.25 Watts at 85°C derating to 0 at 150°C
1% or 2 Ohms Max., whichever is greater
9 turns nominal
600 Vrms
1,000 Megohms Min.
Essentially infinite
1% or 3 Ohms Max., whichever is greater
ENVIRONMENTAL
Seal
Temperature Coefficient
Operating Temperature Range
Thermal Shock
Moisture Resistance
Shock
Vibration
Rotational Life
Load Life
Resistance to Solder Heat
Temperature Exposure
Solderability
85°C Fluorinert® (No Leaks)
±100 ppm/°C (<100 Ohms = ±250 ppm/°C)
–65°C to +150°C
Five cycles –65°C to +150°C (2% ∆RT, 1% ∆VR)
Ten 24 hour cycles (2% ∆RT, IR 10 Megohms Min.)
6 ms sawtooth, 100 G’s (1% ∆RT, 1% ∆VR)
20 G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR)
200 cycles (3% ∆RT, 1% CRV)
1,000 hours at 85°C & 0.25 Watts (2% ∆RT, 1% CRV)
260°C for 10 sec. (1% ∆RT)
215°C for 3 min. Max. (1% ∆RT)
Per MIL-STD-202, Method 208
Specifications subject to change without notice.
Fluorinert® is a registered trademark of 3M Company.
RoHS 2
Pb
compliant
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
September 5, 2013
Website: www.bitechnologies.com
Model 44 page 1 of 3

44WR500LFT7相似产品对比

44WR500LFT7 44JR1KLFT7
描述 trimmer 500 ohm 0.25w smd trimmer 1K ohm 0.25w smd
h //www.bitechnologies.com/pdfs/CofC_generic.pdf //www.bitechnologies.com/pdfs/CofC_generic.pdf
Standard Package 250 500
Category Potentiometers, Variable Resistors Potentiometers, Variable Resistors
Family Trimmer Potentiometers Trimmer Potentiometers
系列
Packaging
Tape & Reel (TR) Tape & Reel (TR)
Resistance (Ohms) 500 1k
Power (Watts) 0.25W, 1/4W 0.25W, 1/4W
容差
Tolerance
±10% ±10%
Temperature Coefficie ±100ppm/°C ±100ppm/°C
Number of Turns 9 9
Adjustment Type Top Adjustme Side Adjustme
Resistive Material Cerme Cerme
Mounting Type Surface Mou Surface Mou
端接类型
Termination Style
J Lead J Lead
Size / Dimensi Rectangular - 0.190" x 0.138" Face x 0.209" H (4.83mm x 3.51mm x 5.31mm) Rectangular - 0.190" x 0.180" Face x 0.147" H (4.83mm x 4.57mm x 3.73mm)
Dynamic Catalog 44 Series 44 Series
Other Names 44WR500LF7987-1577-2987-1600-2987-1600-2-ND 44JR1KLF7987-1575-2987-1596-2987-1596-2-ND
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